This circuit applies to any common operational, the time constant for the given values being 22 ms. The circuit must be powered by a symmetrical source.
We found this circuit in an American 80's documentation. The resistors must be of high precision...
The circuit shown is a Pierce type oscillator and operates at the fundamental frequency of the...
In the circuit shown in the figure we have the way to excite a small speaker from a TTL output. The...